Add back file deleted by mistake

hind1970/data/com_curves.csv

+Item,a,b,c,r2,p,fitType
+Cereals,-0.0231090373623677,0.0598860736662085,-0.00440944718638789,0.142048408869073,1.5015658847595e-19,kuznets
+Cereals,0.179197274824238,31276.1359757806,-9370.89428733348,NA,NA,logistic
+Cereals,0.207217845171278,-0.00591705359995024,0,0.0802044254247543,2.16314903343343e-18,loglinear
+Monogastrics,0.916860419566315,-0.277276741308173,0.0209868886302044,0.787018392006641,1.40267464647528e-248,kuznets
+Monogastrics,0.350791312365672,14887.5625600592,5721.57589376066,NA,NA,logistic
+Monogastrics,-0.179386893974041,0.0359151045352797,0,0.533432662480075,4.91835379779759e-152,loglinear
+Oilcrops,-0.0870711650502441,0.0268192754076584,-0.00141362529068947,0.226769076945957,2.97327434105351e-48,kuznets
+Oilcrops,0.0380408534329838,307.976869602345,162.486687221852,NA,NA,logistic
+Oilcrops,-0.0132327170451694,0.00572371618747085,0,0.209754789652372,2.28411477817147e-47,loglinear
+Pulses,-0.00704752471823622,0.00643915186696879,-0.00053841292550396,0.193544912586951,3.44111285291317e-39,kuznets
+Pulses,0.0380408534329838,307.976869602345,162.486687221852,NA,NA,logistic
+Pulses,0.0210764052497742,-0.00159570076612271,0,0.167710851032579,3.93514642535644e-38,loglinear
+Ruminants,1.6818440845699,-0.599385210049193,0.0550857945140169,0.678805313579063,1.33213946750322e-214,kuznets
+Ruminants,1.03483952021053,3970.42887982139,1516.08638692232,NA,NA,logistic
+Ruminants,-1.19555500560858,0.222671930844401,0,0.625807134520723,2.22446950134271e-195,loglinear
+Starchy Roots,0.361762160058368,-0.0825014486311131,0.00554139462687792,0.0441009509051151,0.844451218255094,kuznets
+Starchy Roots,0.0380408534329838,307.976869602345,162.486687221852,NA,NA,logistic
+Starchy Roots,0.0723081547495916,0.00019397336875011,0,-0.00106546557556242,0.847956863448605,loglinear